http://directories.csa-international.org/ Under âCertification Recordâ and âFile Numberâ enter .... Overcurrent
*R & oHS AE C C OM AP P PR LI OV AN ED T
Features ■
■ ■ ■
Compliant with AEC-Q200 Rev-C- Stress Test Qualification for Passive Components in Automotive Applications 100 % electrically compatible with all previous generations of 1812 SMT devices Compatible with Pb and Pb-free solder reflow profiles RoHS compliant*
■ ■ ■ ■ ■
Surface mount packaging for automated assembly Agency recognition: Standard 4532 mm (1812 mils) footprint Symmetrical design Patents pending T V Rheinland
MF-MSMF Series - PTC Resettable Fuses Electrical Characteristics
Environmental Characteristics Operating Temperature ......................................-40 °C to +85 °C Maximum Device Surface Temperature in Tripped State ................................................125 °C Passive Aging......................................................+85 °C, 1000 hours ....................................±5 % typical resistance change Humidity Aging....................................................+85 °C, 85 % R.H. 1000 hours ..................±5 % typical resistance change Thermal Shock ....................................................+85 °C to -40 °C, 20 times ........................±10 % typical resistance change Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change Condition A Test Procedures And Requirements For Model MF-MSMF Series Test Test Conditions Accept/Reject Criteria Visual/Mech.....................................Verify dimensions and materials ....................................Per MF physical description Resistance ......................................In still air @ 23 °C............................................................Rmin ≤ R ≤ R1max Time to Trip ....................................At specified current, Vmax, 23 °C ..................................T ≤ max. time to trip (seconds) Hold Current ..................................30 min. at Ihold ..............................................................No trip Trip Cycle Life ................................Vmax, Imax, 100 cycles ..................................................No arcing or burning Trip Endurance ................................Vmax, 48 hours ..............................................................No arcing or burning Solderability ....................................ANSI/J-STD-002 ............................................................95 % min. coverage UL File Number ..................................E174545 http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545 CSA File Number ................................CA110338 http://directories.csa-international.org/ Under “Certification Record” and “File Number” enter 110338-0-000 (Model MF-MSMF110 is CSA approved) TÜV Certificate Number......................R 02057213 http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213 (Model MF-MSMF110 is TÜV approved)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
Applications ■ ■ ■ ■
Overcurrent and overtemperature protection of automotive electronics Hard disk drives PC motherboards PC peripherals
■ ■ ■
Point-of-sale (POS) equipment PCMCIA cards USB ports
MF-MSMF Series - PTC Resettable Fuses Product Dimensions A
Packaging: MF-MSMF010 through MF-MSMF030 = 1500 pcs. per reel. MF-MSMF050 through MF-MSMF200 & MF-MSMF260 = 2000 pcs. per reel. MF-MSMF250/16 = 1000 pcs. per reel.
Top and Bottom View A
Side View
Recommended Pad Layout
C
1.5 ± 0.05 (.059 ± .002)
2.7 ± 0.1 (.106 ± .004) D
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
Terminal material: Electroless Ni under immersion Au Termination pad solderability: Standard Au finish: Meets ANSI/J-STD-002 Category 2. Recommended Storage: 40 °C max./70 % RH max.
MF-MSMF Series - PTC Resettable Fuses How to Order
BI-WEEKLY DATE CODE: WEEKS 49-50 = Y YEAR CODE: 5 = 2005 PART IDENTIFICATION EXAMPLES: MF-MSMF050 = 50 MF-MSMF075 = 75 MF-MSMF110 = 11 MF-MSMF150 = 15
The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specific customer applications may differ from these values due to the influence of other variables.
Solder Reflow Recommendations
300
Preheating
Soldering
Cooling
Temperature (°C)
250 200 150 100 50 0 160–220
10–20
120
Time (seconds) Notes: • MF-MSMF models cannot be wave soldered. Please contact Bourns for hand soldering recommendations. • If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. • Compatible with Pb and Pb-free solder reflow profiles. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
MF-MSMF SERIES, REV. Q, 09/07 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
